XiYou XYT-300G Integrated Nitrogen-Hydrogen-Air Gas Generator
| Brand | XiYou |
|---|---|
| Origin | Shanghai, China |
| Model | XYT-300G |
| Compressor | Imported |
| Nitrogen Purity | O₂ < 3 ppm |
| Hydrogen Purity | 99.999% |
| Air Purity | Oil-free, particle-free, dew point ≤ −40 °C |
| Nitrogen Flow Rate | 0–300 mL/min |
| Hydrogen Flow Rate | 0–300 mL/min |
| Air Flow Rate | 0–2000 mL/min |
| Nitrogen Output Pressure | 0–0.5 MPa (factory-set at 0.4 MPa) |
| Hydrogen Output Pressure | 0–0.4 MPa (factory-set at 0.3 MPa) |
| Air Output Pressure | 0–0.5 MPa (factory-set at 0.4 MPa) |
| Construction | Integrated stainless-steel chassis with internal buffer tanks |
| Control System | Microprocessor-based digital control with real-time flow/pressure monitoring and auto-compensation |
Overview
The XiYou XYT-300G Integrated Nitrogen-Hydrogen-Air Gas Generator is an engineered solution for laboratories requiring concurrent, on-demand supply of high-purity nitrogen, hydrogen, and zero-air—commonly used as carrier, fuel, and combustion gases in gas chromatography (GC), GC–mass spectrometry (GC–MS), flame ionization detection (FID), thermal conductivity detection (TCD), and other analytical instrumentation. Unlike conventional cylinder-based gas delivery, the XYT-300G employs three independent, parallel gas generation modules housed within a single compact enclosure: pressure-swing adsorption (PSA) for nitrogen, proton exchange membrane (PEM) electrolysis for hydrogen, and oil-free diaphragm compression with multi-stage filtration for zero-air. Each module operates under closed-loop microprocessor control, ensuring stable output pressure, precise flow regulation, and automatic response to instrument demand fluctuations. The system eliminates high-pressure cylinder handling, reduces logistical overhead, and supports continuous 24/7 operation—critical for unattended overnight analyses and long-duration method validation studies.
Key Features
- Integrated tri-gas architecture: Simultaneous, independent generation of nitrogen (O₂ < 3 ppm), hydrogen (99.999% purity), and zero-air (oil-free, < 0.01 µm particles, dew point ≤ −40 °C) from ambient air and deionized water.
- Imported oil-free compressors and PEM electrolyzer stack: Ensures long service life, low maintenance intervals, and consistent hydrogen purity without catalyst degradation.
- Stainless-steel internal buffer tanks: Provide pressure stabilization, dampen pulsation, and serve as safety reservoirs—eliminating need for external high-pressure cylinders.
- Intelligent flow-tracking control: Real-time synchronization between instrument gas demand and generator output; automatic ramp-up/down prevents pressure surges and extends column/detector lifetime.
- Comprehensive safety architecture: Includes hydrogen leak detection via integrated semiconductor sensors, automatic alkaline electrolyte level monitoring, over-pressure shutoff valves, thermal cutouts, and fail-safe venting pathways compliant with IEC 61000-6-4 EMC standards.
- Digital interface with LCD display: Shows real-time flow rates, output pressures, system status, maintenance alerts, and historical operational logs with timestamping.
Sample Compatibility & Compliance
The XYT-300G is designed for compatibility with all major GC and GC–MS platforms requiring Grade 5 hydrogen (ISO 8573-1 Class 1.1.1), ultra-high-purity nitrogen (ISO 8573-1 Class 1.1.1 for O₂ and H₂O), and zero-air meeting ASTM D6167 specifications for hydrocarbon content (< 0.1 ppm C₁–C₄). Its output stability and purity profile satisfy method requirements under USP , EP 2.2.46, and ISO/IEC 17025-accredited testing environments. The unit meets CE marking requirements (2014/30/EU EMC Directive, 2014/35/EU LVD Directive) and incorporates audit-ready event logging for GLP/GMP-aligned workflows. Optional RS-232 or Ethernet connectivity enables integration into laboratory information management systems (LIMS) for traceable gas usage reporting.
Software & Data Management
While the XYT-300G operates autonomously via embedded firmware, its optional communication interface supports remote monitoring and configuration through XiYou’s LabGas Manager software (Windows/Linux compatible). This application provides live dashboard visualization, configurable alarm thresholds, scheduled maintenance reminders, and exportable CSV logs—including timestamps, flow deviations, pressure excursions, and safety event triggers. All data entries are time-stamped and non-erasable, supporting compliance with FDA 21 CFR Part 11 requirements when deployed with user authentication and electronic signature modules. Firmware updates are delivered via secure HTTPS protocol with SHA-256 verification to ensure integrity.
Applications
- Carrier gas supply for capillary GC columns (e.g., DB-5ms, HP-INNOWAX) requiring inert, oxygen-free nitrogen at constant 1–3 mL/min.
- Fuel gas for FID, NPD, and FPD detectors demanding stoichiometric hydrogen at 30–40 mL/min with zero carbon contamination.
- Make-up and combustion air for FID and ECD systems, where consistent flow and absence of reactive hydrocarbons are essential for baseline stability.
- Blank gas for headspace analysis, purge-and-trap systems, and calibration gas dilution manifolds.
- Support for hyphenated techniques including GC–FTIR and GC–Olfactometry, where gas purity directly impacts spectral fidelity and sensory reproducibility.
FAQ
What maintenance is required for the XYT-300G?
Routine maintenance includes quarterly replacement of particulate and coalescing filters, annual desiccant cartridge renewal for the air module, and biannual inspection of PEM electrolyzer performance metrics (cell voltage, current efficiency). No routine oil changes or compressor servicing are required due to oil-free design.
Can the XYT-300G be used with multiple GC instruments simultaneously?
Yes—the system supports daisy-chained distribution via stainless-steel tubing and precision needle valves; total combined flow must remain within rated capacity (e.g., max 300 mL/min N₂ + 300 mL/min H₂ + 2000 mL/min air). A manifold kit with individual pressure regulators is recommended for multi-instrument setups.
Is hydrogen generation safe in standard laboratory environments?
Hydrogen is generated on-demand at low storage volume (< 50 mL internal buffer), continuously monitored by dual-point H₂ sensors, and automatically purged upon power loss or abnormal pressure rise—fully conforming to NFPA 55 and local fire code requirements for indoor hydrogen use.
Does the unit meet ISO 8573-1 Class 1 air quality standards?
Yes—the air module achieves Class 1.1.1 for particles, water, and oil per ISO 8573-1:2010 when operated within ambient temperature range of 15–30 °C and relative humidity < 70% RH.
What is the expected lifetime of the PEM electrolyzer stack?
Under typical lab usage (8 hrs/day, 5 days/week), the PEM stack maintains ≥95% nominal output efficiency for ≥15,000 operating hours—equivalent to >7 years of service life with proper water quality (≥15 MΩ·cm resistivity) and regular filter maintenance.
